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  #1  
Old 07-27-2006, 11:03 AM
deerefanatic's Avatar
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Question about 722.3 MB Trannys....Tougher than we think?

Hi all,

I was down under my car inspecting rust damage and formulating plans the other day when I noticed that there appears to be mounting "ears" on the back of the transmission. Now, these ears look very similar to the ones on many american truck/suv transmissions for mounting 4x4 transfer cases.

So therefore, my question is this: Was the 722.3 Automatic transmission used on the Unimog, etc? I know that in europe there are Unimogs with diesels, so it would stand to reason.......And in that case, there shouldn't be any concern for the transmission in pulling snowmobile/jetski/motorcycle trailers, etc.....Especially if one were to put a secondary transmission cooler in after the radiator heat-exchanger cooler.

Just a thought I had.

Here is a picture of the "ears":
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Question about 722.3 MB Trannys....Tougher than we think?-tranny-mystery-ears-02.jpg  
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  #2  
Old 07-27-2006, 11:19 AM
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I've noticed those on mine........

However, to me, they looked very similar to the mounts for the engine shocks. I haven't crawled under there to see if there was any provision for mounting to the structure. If not, as you said, maybe they are for mounting in another vehicle.
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  #3  
Old 07-27-2006, 12:20 PM
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I'm gussing that a 722 is plenty stout, IIRC isn't it used behind the M117 engine as well?
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  #4  
Old 07-27-2006, 12:27 PM
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Heh

I've seen many photos from a friend in Europe showing these cars pulling trailers and the like. As long as you keep a low speed I would imagine they could handle it.

I recently towed my friends Honda about 1.2 miles with mine going super slow...didn't stress it at all.

Maybe this is why some sort of fluid leaks next to TC now

I think its probably always been there, who knows.

I'd imagine they can handle quite a bit.
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  #5  
Old 07-27-2006, 01:28 PM
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they could just be ears to put hooks onto and move the tranny easily once its out of the car.. like how the engine has lil things on it to hook chains onto when removing.. i like that
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  #6  
Old 07-27-2006, 06:21 PM
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Quote:
Originally Posted by TheDon
they could just be ears to put hooks onto and move the tranny easily once its out of the car.. like how the engine has lil things on it to hook chains onto when removing.. i like that
u may be right....heh heh.......
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